EP1647452A1 - Einheit für ein Fahrzeug - Google Patents

Einheit für ein Fahrzeug Download PDF

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Publication number
EP1647452A1
EP1647452A1 EP05292154A EP05292154A EP1647452A1 EP 1647452 A1 EP1647452 A1 EP 1647452A1 EP 05292154 A EP05292154 A EP 05292154A EP 05292154 A EP05292154 A EP 05292154A EP 1647452 A1 EP1647452 A1 EP 1647452A1
Authority
EP
European Patent Office
Prior art keywords
sheet
absorber
anchor rod
reinforcement
assembly
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP05292154A
Other languages
English (en)
French (fr)
Inventor
Jérome Grando
Francois Virelizier
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Plastic Omnium SE
Original Assignee
Plastic Omnium SE
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Plastic Omnium SE filed Critical Plastic Omnium SE
Publication of EP1647452A1 publication Critical patent/EP1647452A1/de
Withdrawn legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/27—Adaptation for use in or on movable bodies
    • H01Q1/32—Adaptation for use in or on road or rail vehicles
    • H01Q1/325—Adaptation for use in or on road or rail vehicles characterised by the location of the antenna on the vehicle
    • H01Q1/3283—Adaptation for use in or on road or rail vehicles characterised by the location of the antenna on the vehicle side-mounted antennas, e.g. bumper-mounted, door-mounted
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/01—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents
    • B60R21/013—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting collisions, impending collisions or roll-over
    • B60R21/0134—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting collisions, impending collisions or roll-over responsive to imminent contact with an obstacle, e.g. using radar systems
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/27—Adaptation for use in or on movable bodies
    • H01Q1/32—Adaptation for use in or on road or rail vehicles
    • H01Q1/3208—Adaptation for use in or on road or rail vehicles characterised by the application wherein the antenna is used
    • H01Q1/3233—Adaptation for use in or on road or rail vehicles characterised by the application wherein the antenna is used particular used as part of a sensor or in a security system, e.g. for automotive radar, navigation systems

Definitions

  • the present invention relates to a motor vehicle assembly comprising a sheet comprising a conductive zone, an anchor rod, a shock absorber or a reinforcement and a bumper skin.
  • a sensor arranged at the front of a motor vehicle and intended, for example, to detect obstacles located near the vehicle.
  • a sensor may be in the form of a sheet whose faces are conductive so as to form a capacitive sensor.
  • a communication antenna arranged at the front of the vehicle, connected to a telephone integrated in the vehicle.
  • This antenna is also in the form of a sheet with a conductive face, capable of emitting or receiving electromagnetic waves.
  • the sheet is generally fixed inside the bumper skin by overmoulding or gluing.
  • Attaching the sheet by overmoulding requires precisely positioning it in the mold of the bumper skin, and can create visible marks on the outer face of the skin, affecting the aesthetics of the vehicle. In addition, during overmolding, heat can degrade the sheet.
  • the fixing of the sheet by gluing requires, on the one hand, to bring additional material onto the skin, the glue, and on the other hand, to put in place, during assembly, a device for positioning the sheet on the skin of the skin. bumper.
  • the present invention aims to overcome these disadvantages by facilitating the attachment of the sensor or the antenna on the vehicle.
  • the invention relates to a sheet for a motor vehicle, comprising a conductive zone on one of its faces, characterized in that it comprises a fixing light on a support.
  • Such a sheet is not fixed to the vehicle by overmolding or gluing, but thanks to one or more lights passing through it, serving both for fixing and positioning the sheet on the vehicle.
  • the sheet comprises an electrically insulating substrate, comprising two faces partially or totally coated with conductive zones.
  • the invention also relates to a sensor or a communication antenna comprising such a sheet.
  • the invention also relates to an assembly comprising such a sheet and an anchor rod in the support, sized to be able to pass through the light of the sheet.
  • the anchor rod allows, through the light, to fix the sensor or the antenna on a support.
  • such an assembly further comprises a shock absorber, forming the support.
  • the anchor rod then constitutes a means for fixing the sheet on the absorber.
  • the sheet forms a sensor
  • the fact of fixing it on the shock absorber makes it possible to use a sensor of the capacitive type in a particularly interesting context in terms of security, namely the monitoring of the deformation of the absorber.
  • the sensor can measure this deformation, and trigger, when it is above a certain threshold, a protection system (airbag), or an alert to the vehicle owner of a risk of degradation of the absorber .
  • the absorber is made of foam or injected plastic material comprising ribs.
  • the assembly further comprises a reinforcement of a vehicle element, forming the support.
  • the absorber or the reinforcement comprise a hole for receiving the anchor rod.
  • the assembly also comprises a bumper skin, the anchor rod being integral with the bumper skin.
  • the sheet included in the set defined above can form an element of a sensor, in particular capacitive, or an element of a communication antenna of the vehicle.
  • a sensor 10 according to the invention is arranged on a front bumper of a motor vehicle comprising a bumper beam 12, a shock absorber 14, and a bumper skin 16, visible in FIG. 1.
  • the absorber 14 is made of foam or injected plastic material, for example polypropylene, having ribs.
  • the sensor 10 is of the capacitive type and comprises a first armature comprising a sheet F comprising an electrically insulating substrate 17, made of plastic material, provided with two faces coated, partially or totally, with conductive zones comprising a layer 18, 20 of electrically conductive material .
  • the sensor 10 comprises a second armature known per se, for example formed by the beam 12.
  • the two armatures are connected to an electric circuit, so as to deliver a signal characteristic of the relative displacement of the two armor in the X direction. is above a threshold, a signal processing system (not shown) is able to trigger the deployment of an airbag or an alert to the vehicle owner, indicating that the absorber 14 may be damaged.
  • the sheet F is a GSM type communication antenna, comprising an insulating substrate with a conductive area, or comprising a copper foil.
  • Such an antenna, traversed by an electric current, is capable of receiving or emitting overhead electromagnetic waves so as to operate a telephone of the vehicle.
  • the sheet F comprises fixing lights 22 for fixing on a support, of circular shape.
  • the lights 22 are arranged to receive rods 24 anchoring in a support, for fixing the sensor 10 on the shock absorber 14.
  • the anchoring rods 24 each comprise a head 26, an axis 28 sized to be able to pass through the apertures 22, and an anchoring point 30 able to penetrate into the absorber 14.
  • the anchoring tip 34 has a trapezoidal shape or in arrow, so as to penetrate into the absorber in the direction X, without being able to leave.
  • the sensor 10 To facilitate the mounting of the sensor 10 on the absorber 14, it can be provided on it receiving holes for the pre-positioning of the anchor rods 22 on the absorber 14, the anchoring points 30 sinking then in the absorber 14 to permanently fix the sensor 10.
  • the sheet according to the invention is fixed, thanks to the anchor rod, on a structural reinforcement of a vehicle element, for example a frame intended to facilitate the mounting of a protective cover. shocks and referencing it to any visible part adjacent to the bumper skin.
  • a sensor 32 is traversed by rods 34 anchoring in an absorber 37, integral with the bumper skin 36.
  • the senor 32 is composed of a sheet F comprising an insulating substrate 38, a conductive zone 40 on one of its faces (in dotted lines in the figure) and a conductive zone 42 on the face opposite.
  • the sensor 32 is connected to an electrical circuit via a device 44.
  • fixing lights 46 are evenly distributed on its surface, so as to be traversed by anchoring rods similar to the rods 34.
  • the mounting of the sensor 32 on the bumper consists of pre-positioning the lights 46 opposite the rods 34, then permanently fixing the sheet F on the skin, by penetrating the anchor rods 34 into the absorber 37.
  • the sheets are positioned and fixed simply and quickly on the absorber, which facilitates the attachment of a sensor or an antenna on the vehicle.

Landscapes

  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Mechanical Engineering (AREA)
  • Computer Security & Cryptography (AREA)
  • Details Of Aerials (AREA)
EP05292154A 2004-10-13 2005-10-13 Einheit für ein Fahrzeug Withdrawn EP1647452A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0410821A FR2876537B1 (fr) 2004-10-13 2004-10-13 Ensemble pour vehicule automobile comprenant une feuille comportant une zone conductrice, une tige d'ancrage, un absorbeur de choc ou un renfort et une peau de pare-chocs

Publications (1)

Publication Number Publication Date
EP1647452A1 true EP1647452A1 (de) 2006-04-19

Family

ID=34950126

Family Applications (2)

Application Number Title Priority Date Filing Date
EP05292155A Withdrawn EP1647453A1 (de) 2004-10-13 2005-10-13 Einheit für ein Fahrzeug
EP05292154A Withdrawn EP1647452A1 (de) 2004-10-13 2005-10-13 Einheit für ein Fahrzeug

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP05292155A Withdrawn EP1647453A1 (de) 2004-10-13 2005-10-13 Einheit für ein Fahrzeug

Country Status (2)

Country Link
EP (2) EP1647453A1 (de)
FR (1) FR2876537B1 (de)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR861197A (fr) * 1939-07-21 1941-02-03 Antenne de radiophonie pour véhicules
US5508706A (en) * 1991-09-30 1996-04-16 Trw Inc. Radar signal processor
US5945956A (en) * 1997-02-25 1999-08-31 Aisin Seiki Kabushiki Kaisha Vehicular exterior trim accessory having a built-in antenna
US5967473A (en) * 1996-09-24 1999-10-19 Wabco Gmbh Adjustable mounting assembly for a sensor
US6508325B1 (en) * 2000-02-28 2003-01-21 Paul M. Schwarz Mounting for proximity radar
US6752419B1 (en) * 1999-09-10 2004-06-22 Siemens Vdo Automotive Corporation Air bag sensor module fastening device

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5495414A (en) * 1993-04-07 1996-02-27 Ford Motor Company Integrated silicon automotive accelerometer and single-point impact sensor

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR861197A (fr) * 1939-07-21 1941-02-03 Antenne de radiophonie pour véhicules
US5508706A (en) * 1991-09-30 1996-04-16 Trw Inc. Radar signal processor
US5967473A (en) * 1996-09-24 1999-10-19 Wabco Gmbh Adjustable mounting assembly for a sensor
US5945956A (en) * 1997-02-25 1999-08-31 Aisin Seiki Kabushiki Kaisha Vehicular exterior trim accessory having a built-in antenna
US6752419B1 (en) * 1999-09-10 2004-06-22 Siemens Vdo Automotive Corporation Air bag sensor module fastening device
US6508325B1 (en) * 2000-02-28 2003-01-21 Paul M. Schwarz Mounting for proximity radar

Also Published As

Publication number Publication date
FR2876537B1 (fr) 2007-03-30
EP1647453A1 (de) 2006-04-19
FR2876537A1 (fr) 2006-04-14

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